/*
 * Copyright (c) 2018, hiwepy (https://github.com/hiwepy).
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.codahale.metrics.spring.boot.ext.filter;

import java.util.regex.Pattern;

import com.codahale.metrics.Metric;
import com.codahale.metrics.MetricFilter;

public class PatternFilter implements MetricFilter {

	final Pattern filter;

	public PatternFilter(String pattern) {
		filter = Pattern.compile(pattern);
	}

	@Override
	public boolean matches(String name, Metric metric) {
		return filter.matcher(name).matches();
	}

	@Override
	public String toString() {
		return "[PatternFilter regex=" + filter.pattern() + "]";
	}

}